Matthew married Catherine of Limbburg in 1225. Catherine (daughter of Walram III of Limburg, Duke of Limburg and Ermesind of Luxemburg, Countess of Luxemburg) was born about 1215; died in 1255. [Group Sheet] [Family Chart]
Frederick married Margaret of Navarre, Princess of Navarre in 1255. Margaret (daughter of Theobald I of Navarre, King of Navarre and Margaret of Bourbon, Countess of Champagne and Queen of Navarre) was born in 1245; died in 1305. [Group Sheet] [Family Chart]
Isabelle married John I de Chalon, Count of Auxerre and Tonnerre in 1257. John (son of John the Old, Count of Chalon and Isabelle de Courtenay) was born in 1243; died in 1309. [Group Sheet] [Family Chart]
Family/Spouse: Mechthilde of Cleves. Mechthilde (daughter of Dietrich of Cleves, Lord of Dinslaken and Ysabeau (Elizabeth) of Brabant) was born about 1235; and died. [Group Sheet] [Family Chart]
Theobald married Isabella, Lady of Rumigny in 1278. Isabella (daughter of Hugh, Lord of Rumigny and Philippine d'Oulche) was born in 1263; died in 1326. [Group Sheet] [Family Chart]
Frederick married Elisabeth (Isabelle) of Austria, Duchess of Lorraine in 1304. Elisabeth (daughter of Albert I of Austria Habsburg, Holy Roman Emperor and Elizabeth of Carinthia, Queen of Germany) was born about 1285; died on 19 May 1353. [Group Sheet] [Family Chart]
Family/Spouse: Guy of Namur, Count of Zeeland, Lord of Ronse. Guy (son of Guy of Dampierre, Count of Flanders and Isabelle of Luxembourg) was born about 1272; died on 13 Oct 1311 in Pavia, Italy. [Group Sheet] [Family Chart]